diff options
| author | Anson Huang <Anson.Huang@nxp.com> | 2018-08-27 11:30:36 +0800 |
|---|---|---|
| committer | Anson Huang <Anson.Huang@nxp.com> | 2018-08-27 11:32:20 +0800 |
| commit | ce68b5606a7f307e1875020dd96521b483863072 (patch) | |
| tree | c7a30e89fc12b3b854fa512f24bc07bf9fd2d022 | |
| parent | c9638440c0899fcd0ab714520f1b4b5e4ee2fbb1 (diff) | |
imx8qm: put IRQ_STEER/DRC/DBLOGIC into OFF when suspend
To support KS1, need to put all resources into OFF mode
instead of STBY when Linux kernel suspend. Here, DRC,
IRQ_STEER and DBLOGIC can be OFF for KS1 mode.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
| -rw-r--r-- | plat/imx/imx8qm/imx8qm_psci.c | 30 |
1 files changed, 22 insertions, 8 deletions
diff --git a/plat/imx/imx8qm/imx8qm_psci.c b/plat/imx/imx8qm/imx8qm_psci.c index 283bd649..76bdc637 100644 --- a/plat/imx/imx8qm/imx8qm_psci.c +++ b/plat/imx/imx8qm/imx8qm_psci.c @@ -17,6 +17,7 @@ #include "../../common/sci/mx8_mu.h" extern sc_ipc_t ipc_handle; +extern bool wakeup_src_irqsteer; /* save gic dist/redist context when GIC is poewr down */ static struct plat_gic_ctx imx_gicv3_ctx; @@ -56,8 +57,11 @@ static void imx_enable_irqstr_wakeup(void) mmio_write_32(IMX_WUP_IRQSTR + 0x3c - 0x4 * i, irq_mask); } - /* Put IRQSTR into STBY mode */ - sc_pm_set_resource_power_mode(ipc_handle, SC_R_IRQSTR_SCU2, SC_PM_PW_MODE_STBY); + /* set IRQSTR low power mode */ + if (wakeup_src_irqsteer) + sc_pm_set_resource_power_mode(ipc_handle, SC_R_IRQSTR_SCU2, SC_PM_PW_MODE_STBY); + else + sc_pm_set_resource_power_mode(ipc_handle, SC_R_IRQSTR_SCU2, SC_PM_PW_MODE_OFF); } static void imx_disable_irqstr_wakeup(void) @@ -226,10 +230,20 @@ void imx_domain_suspend(const psci_power_state_t *target_state) if (cluster_id == 0) { sc_pm_set_cpu_resume_addr(ipc_handle, ap_core_index[cpu_id], 0x080000000); - sc_pm_req_cpu_low_power_mode(ipc_handle, ap_core_index[cpu_id], SC_PM_PW_MODE_OFF, SC_PM_WAKE_SRC_IRQSTEER); + if (wakeup_src_irqsteer) + sc_pm_req_cpu_low_power_mode(ipc_handle, ap_core_index[cpu_id], + SC_PM_PW_MODE_OFF, SC_PM_WAKE_SRC_IRQSTEER); + else + sc_pm_req_cpu_low_power_mode(ipc_handle, ap_core_index[cpu_id], + SC_PM_PW_MODE_OFF, SC_PM_WAKE_SRC_SCU); } else { sc_pm_set_cpu_resume_addr(ipc_handle, ap_core_index[cpu_id + 4], 0x080000000); - sc_pm_req_cpu_low_power_mode(ipc_handle, ap_core_index[cpu_id + 4], SC_PM_PW_MODE_OFF, SC_PM_WAKE_SRC_IRQSTEER); + if (wakeup_src_irqsteer) + sc_pm_req_cpu_low_power_mode(ipc_handle, ap_core_index[cpu_id + 4], + SC_PM_PW_MODE_OFF, SC_PM_WAKE_SRC_IRQSTEER); + else + sc_pm_req_cpu_low_power_mode(ipc_handle, ap_core_index[cpu_id + 4], + SC_PM_PW_MODE_OFF, SC_PM_WAKE_SRC_SCU); } } @@ -320,12 +334,12 @@ int plat_setup_psci_ops(uintptr_t sec_entrypoint, sc_pm_req_low_power_mode(ipc_handle, SC_R_CCI, SC_PM_PW_MODE_OFF); /* Request RUN and LP modes for DDR, system interconnect etc. */ - sc_pm_req_sys_if_power_mode(ipc_handle, SC_R_A53, SC_PM_SYS_IF_DDR, SC_PM_PW_MODE_ON, SC_PM_PW_MODE_STBY); - sc_pm_req_sys_if_power_mode(ipc_handle, SC_R_A72, SC_PM_SYS_IF_DDR, SC_PM_PW_MODE_ON, SC_PM_PW_MODE_STBY); + sc_pm_req_sys_if_power_mode(ipc_handle, SC_R_A53, SC_PM_SYS_IF_DDR, SC_PM_PW_MODE_ON, SC_PM_PW_MODE_OFF); + sc_pm_req_sys_if_power_mode(ipc_handle, SC_R_A72, SC_PM_SYS_IF_DDR, SC_PM_PW_MODE_ON, SC_PM_PW_MODE_OFF); sc_pm_req_sys_if_power_mode(ipc_handle, SC_R_A53, SC_PM_SYS_IF_MU, SC_PM_PW_MODE_ON, SC_PM_PW_MODE_OFF); sc_pm_req_sys_if_power_mode(ipc_handle, SC_R_A72, SC_PM_SYS_IF_MU, SC_PM_PW_MODE_ON, SC_PM_PW_MODE_OFF); - sc_pm_req_sys_if_power_mode(ipc_handle, SC_R_A53, SC_PM_SYS_IF_INTERCONNECT, SC_PM_PW_MODE_ON, SC_PM_PW_MODE_STBY); - sc_pm_req_sys_if_power_mode(ipc_handle, SC_R_A72, SC_PM_SYS_IF_INTERCONNECT, SC_PM_PW_MODE_ON, SC_PM_PW_MODE_STBY); + sc_pm_req_sys_if_power_mode(ipc_handle, SC_R_A53, SC_PM_SYS_IF_INTERCONNECT, SC_PM_PW_MODE_ON, SC_PM_PW_MODE_OFF); + sc_pm_req_sys_if_power_mode(ipc_handle, SC_R_A72, SC_PM_SYS_IF_INTERCONNECT, SC_PM_PW_MODE_ON, SC_PM_PW_MODE_OFF); return 0; } |